Valve



FIG. 1 is a perspective view of a valve showing the new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is another side elevational view thereof;

FIG. 5 is a perspective view of a second embodiment of the valve, showing our new design.

FIG. 6 is a top plan view thereof; and

FIG. 7 is a side elevational view thereof.

The broken line portions of the disclosure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a valve, as shown and described. 